Corkscrew



A portion of the disclosure of this patent document contains material that is subject to copyright protection. The copyright owner has no objection to the facsimile reproduction by anyone of the patent document or the patent disclosure, as it appears on the Patent and Trademark Office patent file or records, but otherwise reserves all copyright rights whatsoever.

FIG. 1 is a front elevation view of a corkscrew, according to my new design; the rear elevation view thereof being identical thereto;

FIG. 2 is a side elevation view thereof; the opposite side elevation view thereof being identical thereto; and,

FIG. 3 is a top plan view thereof.

The broken lines depict environmental subject matter only and form no part of the claimed design. 

The ornamental design for a corkscrew, as shown and described. 